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-- Gemeinschaft 5 module: caller session class
-- (c) AMOOMA GmbH 2012-2013
--
module(...,package.seeall)
Session = {}
-- create session object
function Session.new(self, arg)
require 'common.str';
arg = arg or {}
object = arg.object or {}
setmetatable(object, self);
self.__index = self;
self.log = arg.log;
self.session = arg.session;
if not self.session then
return nil;
end
return object;
end
function Session.init_channel_variables(self)
self.cause = "UNSPECIFIED"
self.uuid = self.session:get_uuid();
self.destination_number = self:expand_variables(self:to_s('destination_number'));
self.called_number = self.destination_number;
self.caller_id_number = self.session:getVariable('gs_caller_id_number') or self:to_s('caller_id_number');
self.caller_id_name = self.session:getVariable('gs_caller_id_name') or self:to_s('caller_id_name');
self.caller_phone_number = self.caller_id_number;
self.caller_phone_numbers = {self.caller_id_number};
self.domain = self:to_s('domain_name');
self.gateway_name = self:to_s('sip_gateway');
self.from_gateway = self:to_b('gs_from_gateway');
if self.from_gateway then
self.gateway_name = self:to_s('gs_gateway_name');
elseif self.gateway_name ~= '' then
self.from_gateway = true;
end
self.dialed_sip_user = self:to_s('dialed_user');
self.dialed_domain = self:to_s('dialed_domain');
self.account_uuid = self:to_s('gs_account_uuid');
self.account_type = self:to_s('gs_account_type');
self.sip_contact_host = self:to_s('sip_contact_host');
self.sip_network_ip = self:to_s('sip_network_ip');
self.clir = self:to_b('gs_clir');
self.call_timeout = self:to_i('gs_call_timeout');
self.auth_account_type = self:to_s('gs_auth_account_type');
self.auth_account_uuid = self:to_s('gs_auth_account_uuid');
self.node_id = self:to_i('sip_h_X-GS_node_id');
self.loop_count = self:to_i('sip_h_X-GS_loop_count');
self.previous_destination_type = self:to_s('gs_destination_type');
self.previous_destination_id = self:to_i('gs_destination_id');
self.previous_destination_uuid = self:to_s('gs_destination_uuid');
self.previous_destination_owner_type = self:to_s('gs_destination_owner_type');
self.previous_destination_owner_id = self:to_i('gs_destination_owner_id');
self.previous_destination_owner_uuid = self:to_s('gs_destination_owner_uuid');
if self.node_id > 0 and self.node_id ~= self.local_node_id then
self.from_node = true;
else
self.from_node = false;
end
self:set_variable('gs_account_node_local', not self.from_node);
if self.from_node then
self.account_uuid = self:to_s('sip_h_X-GS_account_uuid');
self.account_type = self:to_s('sip_h_X-GS_account_type');
self.auth_account_uuid = self:to_s('sip_h_X-GS_auth_account_uuid');
self.auth_account_type = self:to_s('sip_h_X-GS_auth_account_type');
end
if self.auth_account_type == '' then
self.auth_account_type = self.account_type;
self.auth_account_uuid = self.account_uuid;
end
self.forwarding_number = nil;
self.forwarding_service = nil;
return true;
end
-- Cast channel variable to string
function Session.to_s(self, variable_name)
return common.str.to_s(self.session:getVariable(variable_name));
end
-- Cast channel variable to integer
function Session.to_i(self, variable_name)
return common.str.to_i(self.session:getVariable(variable_name));
end
-- Cast channel variable to boolean
function Session.to_b(self, variable_name)
return common.str.to_b(self.session:getVariable(variable_name));
end
-- Split channel variable to table
function Session.to_a(self, variable_name)
return common.str.to_a(self.session:getVariable(variable_name));
end
-- Check if session is active
function Session.ready(self, command, parameters)
return self.session:ready();
end
-- Wait milliseconds
function Session.sleep(self, milliseconds)
return self.session:sleep(milliseconds);
end
-- Execute command
function Session.execute(self, command, parameters)
parameters = parameters or '';
self.session:execute(command, parameters);
end
-- Execute and return result
function Session.result(self, command_line)
self.session:execute('set', 'result=${' .. command_line .. '}');
return self.session:getVariable('result');
end
-- Set cause code
function Session.set_cause(self, cause)
self.cause = cause
end
-- Set channel variable
function Session.set_variable(self, name, value)
self.session:setVariable(name, tostring(value));
end
-- Set and export channel variable
function Session.export_variable(self, name, value)
self.session:execute('export', tostring(name) .. '=' .. tostring(value));
end
-- Set SIP header
function Session.set_header(self, name, value)
self.session:setVariable('sip_h_' .. name, tostring(value));
end
-- Hangup a call
function Session.hangup(self, cause)
return self.session:hangup(cause);
end
-- Respond a call
function Session.respond(self, code, text)
self.session:execute('respond', tostring(code) .. ' ' .. text);
return self.session:hangupCause();
end
-- Answer a call
function Session.answer(self)
return self.session:answer();
end
-- Is answered?
function Session.answered(self)
return self.session:answered();
end
function Session.intercept(self, uid)
self.session:execute("intercept", uid);
end
function Session.send_display(self, ... )
self:execute('send_display', table.concat( arg, '|'));
end
-- Set caller ID
function Session.set_caller_id(self, number, name)
if number then
self.caller_id_number = tostring(number);
self.session:setVariable('effective_caller_id_number', tostring(number))
end
if name then
self.caller_id_name = tostring(name);
self.session:setVariable('effective_caller_id_name', tostring(name))
end
end
-- Set callee ID
function Session.set_callee_id(self, number, name)
if number ~= nil then
self.callee_id_number = tostring(number);
self.session:execute('export', 'effective_callee_id_number=' .. number);
end
if name ~= nil then
self.callee_id_name = tostring(name);
self.session:execute('export', 'effective_callee_id_name=' .. name);
end
end
function Session.set_auth_account(self, auth_account)
if auth_account then
self:set_variable('gs_auth_account_type', auth_account.class);
self:set_variable('gs_auth_account_id', auth_account.id);
self:set_variable('gs_auth_account_uuid', auth_account.uuid);
end
return auth_account;
end
function Session.expand_variables(self, line)
return (line:gsub('{([%a%d_-]+)}', function(captured)
return self.session:getVariable(captured) or '';
end))
end
function Session.playback(self, file)
self.session:streamFile(file);
end
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